It is a difficult problem for high school students they can properly use the Internet．

It is a difficult problem for high school students      they can properly use the Internet．

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A bit more effort, I think, ____ the problem could be settled.

#30767

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 I was putting on my shirt ______ my telephone rang.

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We won’t give up ______________we should fail ten times.

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 Whenever I met him, _____ was fairly often, I like his sweet and hopeful smile.

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The foreigner was talking to the children in the park ______ he was familiar with them.

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even though

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